swap¶
Swaps a vector with another vector.
Description¶
Given two vectors of n
elements, x
and y
, the swap
routines return vectors y
and x
swapped, each replacing the
other.
API¶
Syntax¶
void swap(queue &exec_queue,
std::int64_t n,
buffer<T,1> &x,
std::int64_t incx,
buffer<T,1> &y,
std::int64_t incy)
swap
supports the following precisions and devices.
T |
Devices Supported |
---|---|
|
Host, CPU, and GPU |
|
Host, CPU, and GPU |
|
Host, CPU, and GPU |
|
Host, CPU, and GPU |
Input Parameters¶
- exec_queue
The queue where the routine should be executed.
- n
Number of elements in vector
x
.- x
Buffer holding input vector
x
. The buffer must be of size at least (1 + (n
- 1)*abs(incx
)). See Matrix and Vector Storage for more details.- incx
Stride of vector x.
- y
Buffer holding input vector
y
. The buffer must be of size at least (1 + (n
- 1)*abs(incy
)). See Matrix and Vector Storage for more details.- incy
Stride of vector y.
Output Parameters¶
- x
Buffer holding updated buffer
x
, that is, the input vectory
.- y
Buffer holding updated buffer
y
, that is, the input vectorx
.